I TUCK THE OUTSIDE HEAD OF .I AM HAVING A HARD TIME SETTING THE TIMING . I DON'T KNOW THE SETTING .IS IT [T.D.C] OR [B.T.C]. I CANT SEE THE SPROCKET ON THE LEFT SIDE .VALVE COVER TOO CLOSE TO FIREWALL . THERE ARE [2]MARKS ON THE S/P ONE IS ROUND THE OTHER IS ELONGATED . HELP .I TUCK THE OUTSIDE HEAD OF .I AM HAVING A HARD TIME SETTING THE TIMING . I DON'T KNOW THE SETTING .IS IT [T.D.C] OR [B.T.C]. I CANT SEE THE SPROCKET ON THE LEFT SIDE .VALVE COVER TOO CLOSE TO FIREWALL . THERE ARE [2]MARKS ON THE S/P ONE IS ROUND THE OTHER IS ELONGATED . HELP .

Setting the camshaft timing isnecessary whenever the camshaft drive system has been disturbed,meaning the relationship between any chain and sprocket has been lost.Correct timing exists when the crankshaft and intermediate shaftsprocket timing marks are in alignment and all 4 camshaft drive pinsare perpendicular (90 degrees) to the cylinder head surface.

degrees) to the cylinder head surface.
I hope this helps, if not let me know

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Align the crankshaft pulley mark with the 0 mark of timing case.
The camshaft sprocket is at TDC when the hole in the sprocket lines up with the notch in the bearing cap

Timing marks 2000 Toyota Corolla (1ZZ-FE/ 3ZZ-FE/ 4ZZ-FE/ 2ZZ-GE)
Set the Crankshaft key in 12 'o Align yellow timing chain mark
Clock position (The key aligns on the crankshaft sprocket
with the mark on the oil pump (see arrow)
body (see arrow mark)
Align the marks on the sprockets Place the crankshaft angle plate
with the yellow links of the timing with the marks B or F, facing
chain. towards you.

Remove camshaft covrsRemove front coverRemove or fully retract all three timing chain tensionersRemove oil pumpPrimary and secondary chain guides should remain in place. Rotate crankshaft until sprocket drive key is at about 1 o'clock position.Set crankshaft and intermediate shaft sprockets into primary drive chain with their timing marks asjacent to each other.Install crankshaft and intermediate sprockets over their respective shafts. Rotating crankshaft as necessary to engage crankshaft key in sprocket without changing the timing mark relationship.Install Flywheel Holder Tool (J-39411) to lock crankshaft in position. Install intermediate shaft sprocket retaining bolt and torque to specifications.Route secondary chain for left cylinder head over inner row of intermediate shaft teeth.Route secondary drive chain over chain guide, and install exhaust cam sprocket to chain so camshaft drive pin engages the sprocket notch marked "LE" (Left Exhaust).There dhould be no slack in the lower section of the chain, and the camshaft drive pin must be perpendicular (90 degrees) to the cylinder head surface.Install the intake camshaft sprocket into the chain so the sprocket notch marked "LI" (Left Intake) engages camshaft drive pin, while drive pin remains perpendicular to the head face. Minor adjustments can be made to camshaft position to get pin to engage by using a wrench on the hex cast into the camshaft.Install sprocket retainer bolts and torque to specification.Repet steps as above to install the right secondary chain to the right camshafts. The right camshaft sprockets are marked "RE" and "RI". In addition, the RE sprocket must contain the camshaft position sensor pickup.

Do you have the timing belt on and the tensioner set correct? If so, just rotate the crankshaft around until the notch on the crank sprocket is lined up with the pointer on the oil puimp housing (TDC). Now the camshaft sprocket's notch or pointer should be at the top and exactly in line with the mark on the rear timing belt cover. If it's not correct, you'll have to release tension on the belt, remove it, and set the camshaft to the mark. But before you do that, turn the crankshaft back (counterclockwise) just three notches. Then you can turn the cam to line up, then return crank to line up, and continue with belt installation, setting the tension, and re-checking timing marks after rotating the crankshaft a couple of revolutions. Once you know the timing is set to TDC, no further timing adjustments are possible, because the computer controls timing. I don't know how important it is, but just to let you know: Chrysler recommends after belt removal or replacement that one perform the "crankshaft and camshaft relearn alignment procedure" using the DRB scan tool (Chrysler's scanner device) or equivalent scan tool.And the firing order on all four cylinder engines is the same: 1 3 4 2.I hope this helps you out. Cheers.

set the timing mark on the crankshaft to the mark on the oil pump, then set the timing mark on the camshaft to the mark on the alternator bracket/set second camshaft mark to mark on the inner timing belt cover. line up all mark as decribed. be sure before u set anything to bring #1 piston all the way up to top. with belt on turn crankshaft 2 full turns to bring #1 piston back to top if the cams are not lined up correctly loosen belt and start over again until everything lines up correctly. you may have to do this a few times but it will work.

The timing mark on the crankshaft sprocket should be at the 12 O'clock position.....the timing mark on the intermediate sprocket should be at the 6 O'clock position...in other words, the two timing marks are aligned.The drive pins on the 4 camshafts must be vertical or perpendicular to the cylinder head, ie 90 degrees to the cylinder head surface.

Hi,
The time setting is necessary whenever the camshaft drive system has been disturbed,meaning the relationship between any chain and sprocket has been lost.Correct timing exists when the crankshaft and intermediate shaftsprocket timing marks are in alignment and all 4 camshaft drive pinsare perpendicular (90 degrees) to the cylinder head surface.